﻿using System;

namespace 类和类成员
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
        }
    }

    public class Telephone
    {
        private string phone = "17605025824";
    }

    internal class Apple
    {

    }

    public static class fruit
    {
        static int number = 1;
    }

    internal sealed class Saber
    {

    }

    public abstract class person
    {
        public string name ="Lanser";
        internal readonly int age = 18;
        string phone = "17605025824";
    }
        


}
